#include <iostream>

using namespace std;

const int N = 110, M = 10010;
int n, m;
int a[N], f[M];

int main()
{
	cin >> n >> m;
	for(int i = 1; i <= n; i++) cin >> a[i];
	f[0] = 1;
	for(int i = 1; i <= n; i++)
	{
		for(int j = m; j >= a[i]; j--)
		{
			f[j] += f[j - a[i]]; 
		}
	}
	cout << f[m] << endl;
	return 0;
}
